   [:#email] (set-attr :placeholder (landing-page :placeholder))
   [:#referrer] (set-attr :value referrer)
   [:#submit] (add-class (landing-page :signup-btn-class))  
-  [:#submit] (html-content (str (signup-button-icon) (landing-page :sign-up-btn)))
+  [:#submit] (content (signup-button-icon) (landing-page :sign-up-btn))
   [:#spam-msg] (html-content (landing-page :spam-msg))
-  [:#social-links] (html-content (apply str (map linked-icon
+  [:#social-links] (content (map linked-icon
     [{:link-name "twitter" :icon-name "twitter"}
     {:link-name "facebook" :icon-name "facebook"}
     {:link-name "github" :icon-name "github"}
-    {:link-name "blog" :icon-name "rss"}])))
+    {:link-name "blog" :icon-name "rss"}]))
 
   ;; footer
   [:#copyright] (html-content (landing-page :copyright))

(defn- signup-button-icon []
  (let [signup-btn-icon-class (landing-page :signup-btn-icon)]
    (if-not (blank? signup-btn-icon-class)
      (html [:i {:id "submit-icon" :class signup-btn-icon-class}] "&nbsp;"))))

(defn- background-image []
  (let [image-url (landing-page :background-image)]

    "#copyright {color:" (landing-page :copyright-color) ";}"))
  [:head] (append
    (if-not (blank? (landing-page :blog-feed))
      (blog-feed-content)
      ""))

  ;; body
